MIT

Scales and zeroth-order spectrum (M-I-T)

The Pauli equation for the electron in an electromagnetic field (M-I-T)

The uncoupled and coupled basis states for the spectrum (M-I-T)

Assembling the fine-structure correction (M-I-T)

Evaluating the Darwin correction (M-I-T)

Interpretation of the Darwin correction from nonlocality (M-I-T)

Spin-orbit correction (M-I-T)

The relativistic correction (M-I-T)

Semiclassical approximation and local de Broglie wavelength (M-I-T)

Strong-field Zeeman (M-I-T)

Weak-field Zeeman effect; general structure (M-I-T)

Weak-field Zeeman effect; the projection lemma (M-I-T)

Zeeman effect and fine structure (M-I-T)

Approximate WKB solutions (M-I-T)

Connection formula stated and example (M-I-T)

The WKB approximation scheme (M-I-T)

Validity of the WKB approximation (M-I-T)

Deriving the connection formulae (continued) logical arrows (M-I-T)

Airy functions as integrals in the complex plane (M-I-T)

Asymptotic expansions of Airy functions (M-I-T)

Deriving the connection formulae (M-I-T)

Example: Instantaneous transitions in a two-level system (M-I-T)

Setting up perturbation theory (M-I-T)

The interaction picture and time evolution (M-I-T)

The interaction picture equation in an orthonormal basis (M-I-T)